First human case of Shamonda virus detected in France, patient dies

French authorities say risk to public remains low, virus primarily affects livestock

By LineZotpaper

Published22 October 2026

Updated22 October 2026

Read Time2 min

Sources3 outlets

French health authorities have reported the first known human case of the Shamonda virus (Shav), which was detected in a patient who died in early October. Officials stressed that the case was an exceptional occurrence in a severely immunocompromised individual and that there is currently no risk to the general public. The virus, which is spread by biting midges, primarily affects cattle, sheep, and goats.

The French health and agriculture ministries said on Thursday that the patient, who was being treated for a serious illness at a hospital in Lyon, experienced neurological complications believed to be linked to the virus. The patient is thought to have contracted the infection through a midge bite in eastern France, where animal cases were first identified this spring.

The European Centre for Disease Prevention and Control (ECDC) said it is monitoring the situation and working with French and European partners to investigate potential public health implications. The ECDC noted that the first animal cases of Shamonda virus in Europe were detected in late July, and the virus has since been found in farm animals in several countries, including Ireland, Germany, Italy, Spain, and the island of Jersey.

In Ireland, the Department of Agriculture confirmed earlier this month that the virus was detected in cattle samples from two farms in County Cork, marking the first time the emergent virus had been found in the country. The disease is currently not notifiable in Ireland or the European Union.

Shamonda virus is known to circulate in Africa and Asia and had previously been considered non-transmissible to humans. In livestock, it can cause fever, diarrhoea, and reduced milk production. The case has also been reported to the World Health Organization.

Analysis

Why This Matters

First documented human infection of a virus previously thought unable to infect people, raising questions about zoonotic spillover risks
The patient's severe immunocompromise suggests that vulnerable populations may face higher danger from the virus
Spread across multiple European countries in livestock highlights the need for coordinated surveillance and potential agricultural impacts

Background

Shamonda virus is an arbovirus transmitted by biting midges, primarily affecting cattle, sheep, and goats. It is endemic in parts of Africa and Asia but had not been reported in humans until this case. The virus first appeared in European livestock in late July of this year, with subsequent detections in several EU member states and Jersey. The ECDC and national authorities are investigating how the virus entered Europe and its potential to cause disease in humans.

Key Perspectives

French health authorities: Emphasise this is an exceptional case in a severely immunocompromised patient; the risk to the general public remains negligible. European Centre for Disease Prevention and Control: Actively monitoring the situation and assessing public health implications in collaboration with French and European partners. Livestock farmers and agriculture officials: Concerned about the economic impact on dairy and meat production, as the virus can cause fever and poor milk yield. Recent detection in Ireland underscores the ongoing spread.

What to Watch

Further human cases, especially among immunocompromised or exposed individuals
ECDC and WHO risk assessments and any travel or trade recommendations
Animal surveillance data in Europe, particularly in newly affected countries such as Ireland

Sources

First human case of Shamonda virus detected in France, officials say · BBC News
France confirms first human case of Shamonda virus, previously found only in animals · Euronews
France reports first death of human from Shamonda virus · RTÉ News

Checked

12 claims in this story checked against 2 sources: 10 supported.

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SupportedThe first known human case of Shamonda virus was detected in France.BBC News: “The first known human case of the Shamonda virus (Shav) has been detected in a patient who died in early October, French authorities have said.”
SupportedThe patient died in early October.BBC News: “The first known human case of the Shamonda virus (Shav) has been detected in a patient who died in early October, French authorities have said.”
Partly supportedFrench authorities say the risk to the public remains low.BBC News: “Health officials said it was an "exceptional case in a severely immunocompromised patient" and there was currently no risk to the public.”
SupportedFrench authorities said there is currently no risk to the general public.RTÉ News: “French health authorities said they had detected the Shamonda ‌virus ⁠in a human for the first time in a ‌patient who ⁠later ‌died, while adding that ⁠they ‌saw no risk to the general ⁠population at this ⁠stage.”
SupportedShamonda virus primarily affects cattle, sheep and goats.RTÉ News: “The virus is spread by biting midges and mainly affects cattle, sheep and goats.”
SupportedThe virus is spread by biting midges.RTÉ News: “The virus is spread by biting midges and mainly affects cattle, sheep and goats.”
SupportedOfficials described the case as exceptional and the patient as severely immunocompromised.BBC News: “Health officials said it was an "exceptional case in a severely immunocompromised patient"”
SupportedThe patient experienced neurological complications thought to be linked to the virus.BBC News: “They said the patient was being treated for a serious illness in a Lyon hospital and experienced neurological complications thought to have been "very likely linked" to the virus, based on initial findings.”
SupportedThe patient is thought to have contracted the infection through a midge bite in eastern France.BBC News: “It is currently thought the patient contracted Shav through a midge bite in eastern France”
SupportedAnimal cases were first identified in eastern France in the spring.BBC News: “the country's health and agriculture ministries said on Thursday, where cases were first identified in animals in the spring.”
SupportedThe ECDC said it was monitoring the situation and working with French and European partners to investigate potential public health implications.BBC News: “The European Centre for Disease Prevention and Control (ECDC) said it was monitoring the situation”
Partly supportedIreland’s Department of Agriculture confirmed the virus was detected in cattle samples from two farms in County Cork, the first time it had been detected in Ireland.RTÉ News: “Earlier this month, the virus was detected in cattle samples from two farms in Co Cork, according to the Department of Agriculture. It said that this was the first time "this emergent virus has been detected in Ireland".”